HDI Manufacturer | HDI Factory | High Quality HDI Products – chemhdi.com Knowledge Saturated polyester resin for special adhesives PT-17

Saturated polyester resin for special adhesives PT-17

                     

Apply : screen printing Adhesives; Metal sheet and film lamination; Adhesives; Adhesives for different substrates

Features : Ink bonding material; excellent adhesion; FDA certification CFR175.105, 175.300 and 176.170

Performance

parameter

unit

Value

Appearance

yellow Flake solid

Molecular Weight

g/mole

26,000

Viscosity

d.l/g

0.69

Glass transition temperature

degree C

17

softening point

degree C

105

acid value

KOH mg/g

less than 3

OHvalue

KOH mg/g

2~5

stretch length

kg /cm2

55

dissolve Method
Put all the solvents in the reactor, while stirring, put the PT-17 solid into Reactor; after adding all components, raise the reaction temperature to 90-100 degrees, if using MEK and acetone, the reactor temperature rises to 50-60 degrees, stir for two hours, the maximum pressure of the reactor: 2kg/cm 2, turn off the heating system, continue to stir for an hour and a half, let the reactor cool down naturally, stop stirring; filter the solution, put it into a 200kg barrel

applies Solvent : EK, Toluene, xylene, solvesso, cyclohexanone, acid gas cellulose ester, isophorone, DBE

from Original formula : Prevent Back Stick Screen Printing Adhesive

white

PT-17                             16.5parts
PT-65             16.5parts
Titanium Dioxide 15.0parts
cyclohexanone or xylene 50.0parts
Additive                                                                                                                                                                                       2.0 parts

PET or PVC film composite, steel or PET film Formula: PT-17+PT-65

sticky Mixture formula : PT-17+PT-65+Isocyante[L75]

for soft Adhesives for flat cables
PT-17S(50%) 30.0part
PT-65S(50%) 20.0part
TIO2 18.0part

Flame Retardant (Br) 30.0part
Additive                                                                                                                                                                         2.0 part

metal Foil Adhesive Recipe : PT-17+ solvent (16~20%)+L75 (5% of solid content)

Packaging 25KG/box

sticky Mixture formula : PT-17+PT-65+Isocyante[L75]

for soft Adhesives for flat cables
PT-17S(50%) 30.0part
PT-65S(50%) 20.0part
TIO2 18.0part

Flame Retardant (Br) 30.0part
Additive                                                                                                                                                                         2.0 part

metal Foil Adhesive Recipe : PT-17+ solvent (16~20%)+L75 (5% of solid content)

Packaging 25KG/box

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